Patent US1297754A successfully refreshed from Google Patents.
← Back to Patent Explorer
US1297754A Expired / Lapsed US ⏱️ 0.0 years remaining

Lock.

Assignee: Individual
•
Filing: 1918-11-16
•
Granted: 1919-03-18
•
Expires: 1938-11-16
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Angelo Villani

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 21:49
CPC Classifications
E; E05; E05B; E05B37/00; E05B37/12; Y; Y10; Y10T; Y10T70/00; Y10T70/70; Y10T70/7153; Y10T70/7181; Y10T70/7198; Y10T70/7237; Y10T70/726

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1922-03-17 1922-09-16 1923-03-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1926-03-17 1926-09-16 1927-03-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1930-03-17 1930-09-16 1931-03-18 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag